/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.alibaba.ververica.cdc.debezium.internal;

import org.apache.flink.annotation.Internal;

import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ObjectMapper;

import java.io.IOException;

/**
 * Serializer implementation for a {@link DebeziumState}.
 */
@Internal
public class DebeziumStateSerializer {
	public byte[] serialize(DebeziumState debeziumState) throws IOException {
		// we currently use JSON serialization for simplification, as the state is very small.
		// we can improve this in the future if needed
		ObjectMapper objectMapper = new ObjectMapper();
		return objectMapper.writeValueAsBytes(debeziumState);
	}

	public DebeziumState deserialize(byte[] bytes) throws IOException {
		ObjectMapper objectMapper = new ObjectMapper();
		return objectMapper.readValue(bytes, DebeziumState.class);
	}
}
